4,6-Dichlororesorcinol
4,6-Dichlororesorcinol (CAS 137-19-9) is a key organic building block with the molecular formula Cl2C6H2(OH)2 and a molar mass of 179.00 g/mol. This compound is primarily utilised in chemical synthesis, particularly for the construction of complex organic molecules. Its structure lends itself to self-organisation processes through hydrogen bonding, making it valuable in supramolecular chemistry and materials science research.
- Synonyms
- Cl2C6H2(OH)2

Organic Synthesis Intermediate
Serves as a versatile building block for the synthesis of various organic compounds. Its functional groups allow for diverse chemical transformations, contributing to the development of novel molecular architectures.
Supramolecular Chemistry
Utilised as an exotemplate in supramolecular chemistry to self-organize aza-heterocyclic units. The hydroxyl groups facilitate the formation of specific OH−N hydrogen bonds, enabling controlled assembly of molecular structures.
Materials Science Research
Its ability to participate in organised hydrogen bonding makes it a compound of interest for developing new materials with specific structural or functional properties.
| Molecular weight | 179.00 |
|---|---|
| Linear formula | Cl2C6H2(OH)2 |
| Assay | 97% |
| Boiling point | 254 °C(lit.) |
| Application | 4,6-Dichlororesorcinol was used as an exotemplate to self-organize two aza-heterocyclic units by OH−N hydrogen bonds1. |
| Melting point | 104-106 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4,6-Dichlororesorcinol used for?
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4,6-Dichlororesorcinol is primarily used as a building block in organic synthesis and in supramolecular chemistry, where it acts as an exotemplate to self-organize aza-heterocyclic units via hydrogen bonding.
What is the CAS number and formula for 4,6-Dichlororesorcinol?
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The CAS number for 4,6-Dichlororesorcinol is 137-19-9, and its linear formula is Cl2C6H2(OH)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,6-Dichlororesorcinol with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 4,6-Dichlororesorcinol be handled safely?
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According to GHS, 4,6-Dichlororesorcinol is a Warning substance. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with a dust mask type N95 (US), eyeshields, and gloves in a well-ventilated area. Refer to the Safety Data Sheet for full guidance.
How is 4,6-Dichlororesorcinol packed and shipped by TSS?
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Tech Serve Solutions exports 4,6-Dichlororesorcinol globally. Products are carefully packed according to international shipping regulations to ensure safe transit. Please contact us for specific packaging and shipping queries.
How can I request a sample or quote for 4,6-Dichlororesorcinol?
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To request a sample or a quote for 4,6-Dichlororesorcinol, please use the contact form on our website or contact our sales department directly with your requirements.
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